Recent initiatives in air traffic management both in the United States and in Europe are aimed at providing air traffic controllers automation tools to separate traffic, meet time constraints required for traffic flow and accommodate route preferences of users such as airlines. These efforts are expected to result in removal of restrictions on users preferred routes without compromising safety....

The electronic digital computer industry emerged tentatively onto the world stage in 1946, with the founding of two engineering companies and the incorporation by several arge firms of the new electronic omputing ideas into their planning. Only a handful of large firms participated in this new computer phenomenon--IBM, Raytheon, Bendix, and Burroughs. The small startup firms included Eckert-Mau...

Abstract Background To investigate the effects of angiotensin-converting enzyme inhibitor (ACEI) and angiotensin receptor blockers (ARBs) administration to hypertension patients with coronavirus disease 2019 (COVID-19) induced pneumonia. Methods We recorded recovery status 67 inpatients COVID-19 pneumonia in Raytheon Mountain Hospital Wuhan during February 12, 2020 March 30, 2020. Patients trea...

Imaging in the restframe ultraviolet has proven to be an effective and vital means of tracing dynamical patterns of star formation in galaxies out to high redshifts. Using images from the Ultraviolet Imaging Telescope (UIT), Hubble Space Telescope (HST) and complementary groundbased telescopes, we have investigated the starburst activity and associated dynamics in nearby early-type disk galaxie...

Use of infrared detector arrays in astronomy began roughly 20 years ago, and our detection capabilities in parts of this spectral range have doubled about every seven months since then. A variety of approaches are now used for detector arrays operating from 1 μm to 1 mm and beyond. They include direct hybrid arrays of InSb and HgCdTe photodiodes that operate from 0.6μm to 5μm, and of Si:As impu...

Requirements specification notations are developed by organizations in order to meet their specific needs. For example, the Threads-Capabilities notation, an in house notation at Raytheon Systems Canada, Ltd., has been developed and used for specifying their complex, large scale, air traffic control systems. It is a semi-formal, structured, natural language notation. In this work, we investigat...

This paper describes the ATLAS (Automatically Tuned Linear Algebra Software) project, as well as the fundamental principles that underly it. ATLAS is an instantiation of a new paradigm in high performance library production and maintenance, which we term AEOS (Automated Empirical Optimization of Software); this style of library management has been created in order to allow software to keep pace...

Predicted growth in air traffic and the desire for more user preferred routes in the National Airspace System (NAS) will impose additional demand on air traffic control and management systems. This demand can be met by alternate airspace configurations, modified traffic patterns, and staff reassignment. There is a need to understand the effect of changing airspace configurations and traffic pat...

Charge persistence is signal that remains on a detector array after the illumination source has been removed. It is a characteristic of many types of photo detectors but is particularly prominent in near-infrared arrays that utilize Indium Antimonide (InSb) as a photosensitive material. Persistence can be a significant issue for a scientific observation with the potential of reducing the qualit...

Current and Future Work Sponsored By Raytheon and the National Science Foundation The emergence of connections between telecommunications networks and the Internet creates significant avenues for exploitation. For example, through the use of small volumes of targeted traffic, researchers have demonstrated a number of attacks capable of denying service to users in major metropolitan areas. While...